Atomic and nuclear properties of materials:
Gold (Au)
QuantityValueUnits ValueUnits
Atomic number 79     
Atomic mass 196.966569(4) g mole-1   
Density 19.3 g cm-3   
Mean excitation energy 790.0 eV   
Minimum ionization 1.134 MeV g-1cm2 21.90 MeV cm-1
Nuclear collision length 112.5 g cm-2 5.822 cm
Nuclear interaction length 196.3 g cm-2 10.16 cm
Pion collision length 135.8 g cm-2 7.031 cm
Pion interaction length 223.0 g cm-2 11.54 cm
Radiation length 6.46 g cm-2 0.3344 cm
Critical energy 7.53 MeV (for e-) 7.26 MeV (for e+)
Molière radius 18.19 g cm-2 0.9415 cm
Plasma energy 80.21 eV   
Muon critical energy 143. GeV   
Melting point 1337. K 1064. C
Boiling point @ 1 atm 3129. K 2856. C
For muons, dE/dx = a(E) + b(E) E. Tables of b(E): PS PDF TEXT
Table of muon dE/dx and Range: PS PDF TEXT
Explanation of some entries
Table of isotopes Warning: may not be current
x ray mass attenuation coefficients